Tapered Roller Bearing >> Four Row Series < Online Inquiry >
Features
The bearings have tapered rollers which are guided by the thicker side of the cup. The design of the sliding surfaces of the cup and inner ring and the rolling elements when extended converge towards the same single point on the bearing axle.
Single-row tapered roller bearings can carry radial load and axial load in one direction.
Double-row and four-row tapered roller bearings can bear the radial load and axial load in double directions.
Cages
Normally the tapered roller bearings use pressed basket-shaped cages of steel sheet. But for cages with greater machined dimension, machined cage is also used.
TIK manufactures both metric and inch-sized single row, double-row and four-row tapered roller bearings.

Bearing No.

Boundary dimensions(mm)

Basic load ratings(kN)

Mass(kg)

d

D

B

T

r min

r1 min

dyc(Cr)

stc(Cor)

77928

139.7

200.025

157.162

160.338

1.1

1.8

535

1870

16.20

2077930

150

210

165

165

0.7

2.3

600

1590

21.20

77730

150

225

136

136

3

2.5

540

1460

17.70

2077134

170

260

230

230

3

2.5

940

3100

43.00

77736

180

280

180

180

3

2.5

835

2540

39.60

77740

200

310

200

200

3

2.5

1970

1520

55.60

20777140

200

310

275

275

3

2.5

1230

4200

75.10

77741

205

320

205

205

4

3

1060

2850

55.40

20777144

220

340

305

305

4

3

2290

5950

99.50

20777148

240

360

310

310

4

3

3300

210

90.50

77750K

250

460

270

270

5

4

2250

6400

192.00

382952/HC

260

360

265

265

3

2.5

1730

5050

77.80

77752

260

400

255

255

3.7

7.5

1480

4950

117.00

7752G

260

400

255

255

5

4

1910

490

117.00

382052

260

400

345

345

5

4

2850

7700

161.00

777752

260

440

300

300

2

5

2670

5850

182.00

77756

280

420

250

250

5

5

1540

5300

119.00

77860U

300

420

310

310

4

3

2020

8100

134.00

2077160

300

460

390

390

5

4

3850

10200

222.00

77760U

300

500

350

350

5

4

2730

8900

280.00

2077164

320

480

380

380

5

4

3000

11500

252.00

2077968

340

460

310

310

4

4

2200

9300

147.00

371068

340

520

325

325

5

4

3200

8200

247.00

77872

360

480

375

375

4

4

2550

11800

197.00

1077772

360

600

420

420

4.7

4.7

3950

13500

388.00

77776

380

550

330

350

5

5

2490

9450

273.00

3077776

380

620

388

388

6

6

3450

11600

443.00

381176/HC

380

620

420

420

5

4

5050

12600

485.00

381176/HCC9

380

620

420

420

5

4

5050

12600

485.00

77779

395

545

268.7

288.7

4

7.5

2130

6500

194.00

77779K

395

545

268.7

288.7

4

7.5

2130

6500

194.00

77779U

395

545

268.7

288.7

4

7.5

2130

6500

194.00

77880

400

540

280

280

3.7

7.5

2450

6500

187.00

380680/HC

400

540

400

400

5

5

6350

13300

262.00

381080/HC

400

600

356

356

5

4

3400

12400

345.00

380684/HC

420

560

437

437

5

5

7180

16300

298.00

1077784

420

700

480

480

6

5

5100

18200

749.00

381184

420

700

480

480

6

5

9550

11900

755.00

77888U

440

620

454

454

6

6

6050

1880

432.00

77888

440

620

454

454

6

6

6050

18800

432.00

77888

440

650

355

355

6

5

3350

12100

385.00

77888K

440

650

355

355

6

6

3350

12100

385.00

381088X2/HG

440

650

355

355

6

5

4550

12300

402.00

381992/HC

460

620

310

310

5

4

5600

3450

260.00

381992/HCC9

460

620

310

310

5

4

5600

3450

260.00

77982U

460

650

474

4746

6

6

4500

20000

506.00

381192X3/HC

460

730

440

440

4

7.5

5600

14800

663.00

381192X3/HCC9

460

30

440

440

4

7.5

5600

14800

663.00

381096

480

700

420

420

5

5

4300

16900

582.00

77196

480

700

420

420

6

5

5350

15500

535.00

380698/HC

490

625

385

385

7

4

4900

16500

278.00

3810/530

530

780

450

450

6

5

6550

18200

745.00

779/540

540

690

400

400

2

5

5700

11400

375.00

3819/560/HC

560

750

368

368

5

4

7850

15800

447.00

3811/560

560

920

620

620

7.5

6

18200

32000

1690.00

779/600

600

800

365

365

5

5

4000

18100

489.00

10779/600

600

800

380

380

5

4

4000

18100

497.00

3810/600/HC

600

870

480

480

6

6

6150

25500

992.00

10777/600

600

980

650

650

7.5

7.5

9650

37500

1970.00

3819/630/HC

630

850

418

418

6

6

5000

22100

682.00

771/630

630

920

515

515

7.5

7.5

6550

27500

1190.00

3811/630/HC

630

1030

670

670

7.5

6

15000

42000

2200.00

777/650C

640

1030

560

560

7.5

12

16000

39300

1770.00

777/650K

650

1030

560

560

7.5

12

16000

39300

1735.00

777/650

650

1030

560

560

7.5

12

16000

39300

1720.00

777/650U

650

1030

560

560

7.5

12

16000

39300

1723.00

777/650UY

650

1030

560

560

7.5

12

16000

39300

1712.00

3806/660X4/HC

660.01

855.015

319.99

319.99

12

5.2

4750

17000

495.00

10779/670

670

900

412

412

6

6

5250

2460

773.00

779/710

710

900

410

410

3

6

5350

27500

650.00

10777/750

750

1220

840

840

9.5

9.5

16100

68500

3985.00

3806/780/HCC9

780

1220

840

840

6

6

21100

70500

3810.00

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